1 /*
2  * (C) Copyright 2007-2008
3  * Stelian Pop <stelian@popies.net>
4  * Lead Tech Design <www.leadtechdesign.com>
5  *
6  * Configuation settings for the AT91SAM9260EK & AT91SAM9G20EK boards.
7  *
8  * SPDX-License-Identifier:	GPL-2.0+
9  */
10 
11 #ifndef __CONFIG_H
12 #define __CONFIG_H
13 
14 /*
15  * SoC must be defined first, before hardware.h is included.
16  * In this case SoC is defined in boards.cfg.
17  */
18 #include <asm/hardware.h>
19 
20 /*
21  * Warning: changing CONFIG_SYS_TEXT_BASE requires
22  * adapting the initial boot program.
23  * Since the linker has to swallow that define, we must use a pure
24  * hex number here!
25  */
26 #define CONFIG_SYS_TEXT_BASE		0x21f00000
27 
28 /* ARM asynchronous clock */
29 #define CONFIG_SYS_AT91_SLOW_CLOCK	32768		/* slow clock xtal */
30 #define CONFIG_SYS_AT91_MAIN_CLOCK	18432000	/* main clock xtal */
31 #define CONFIG_SYS_HZ			1000
32 
33 /* Define actual evaluation board type from used processor type */
34 #ifdef CONFIG_AT91SAM9G20
35 # define CONFIG_AT91SAM9G20EK	/* It's an Atmel AT91SAM9G20 EK */
36 #else
37 # define CONFIG_AT91SAM9260EK	/* It's an Atmel AT91SAM9260 EK */
38 #endif
39 
40 /* Misc CPU related */
41 #define CONFIG_ARCH_CPU_INIT
42 #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs */
43 #define CONFIG_SETUP_MEMORY_TAGS
44 #define CONFIG_INITRD_TAG
45 #define CONFIG_SKIP_LOWLEVEL_INIT
46 #define CONFIG_BOARD_EARLY_INIT_F
47 #define CONFIG_DISPLAY_CPUINFO
48 
49 #define CONFIG_CMD_BOOTZ
50 #define CONFIG_OF_LIBFDT
51 
52 /* general purpose I/O */
53 #define CONFIG_ATMEL_LEGACY		/* required until (g)pio is fixed */
54 #define CONFIG_AT91_GPIO
55 #define CONFIG_AT91_GPIO_PULLUP	1	/* keep pullups on peripheral pins */
56 
57 /* serial console */
58 #define CONFIG_ATMEL_USART
59 #define CONFIG_USART_BASE		ATMEL_BASE_DBGU
60 #define	CONFIG_USART_ID			ATMEL_ID_SYS
61 #define CONFIG_BAUDRATE			115200
62 
63 /* LED */
64 #define CONFIG_AT91_LED
65 #define	CONFIG_RED_LED		AT91_PIN_PA9	/* this is the power led */
66 #define	CONFIG_GREEN_LED	AT91_PIN_PA6	/* this is the user led */
67 
68 #define CONFIG_BOOTDELAY	3
69 
70 /*
71  * BOOTP options
72  */
73 #define CONFIG_BOOTP_BOOTFILESIZE	1
74 #define CONFIG_BOOTP_BOOTPATH		1
75 #define CONFIG_BOOTP_GATEWAY		1
76 #define CONFIG_BOOTP_HOSTNAME		1
77 
78 /*
79  * Command line configuration.
80  */
81 #include <config_cmd_default.h>
82 #undef CONFIG_CMD_BDI
83 #undef CONFIG_CMD_FPGA
84 #undef CONFIG_CMD_IMI
85 #undef CONFIG_CMD_IMLS
86 #undef CONFIG_CMD_LOADS
87 #undef CONFIG_CMD_SOURCE
88 
89 #define CONFIG_CMD_PING		1
90 #define CONFIG_CMD_DHCP		1
91 #define CONFIG_CMD_NAND		1
92 #define CONFIG_CMD_MMC
93 #define CONFIG_CMD_FAT
94 #define CONFIG_CMD_USB		1
95 
96 /*
97  * SDRAM: 1 bank, min 32, max 128 MB
98  * Initialized before u-boot gets started.
99  */
100 #define CONFIG_NR_DRAM_BANKS		1
101 #define CONFIG_SYS_SDRAM_BASE		ATMEL_BASE_CS1
102 #define CONFIG_SYS_SDRAM_SIZE		0x04000000
103 
104 /*
105  * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
106  * leaving the correct space for initial global data structure above
107  * that address while providing maximum stack area below.
108  */
109 #ifdef CONFIG_AT91SAM9XE
110 # define CONFIG_SYS_INIT_SP_ADDR \
111 	(ATMEL_BASE_SRAM + 0x1000 - GENERATED_GBL_DATA_SIZE)
112 #else
113 # define CONFIG_SYS_INIT_SP_ADDR \
114 	(ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
115 #endif
116 
117 /*
118  * The (arm)linux board id set by generic code depending on configured board
119  * (see boards.cfg for different boards)
120  */
121 #ifdef CONFIG_AT91SAM9G20
122 	/* the sam9g20 variants have two different board ids */
123 # ifdef CONFIG_AT91SAM9G20EK_2MMC
124 	/* we may be setup for the 2MMC variant of at91sam9g20ek */
125 #  define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK_2MMC
126 # else
127 	/* or the normal at91sam9g20ek */
128 #  define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9G20EK
129 # endif
130 #else
131 	/* otherwise default to good old at91sam9260ek */
132 # define CONFIG_MACH_TYPE MACH_TYPE_AT91SAM9260EK
133 #endif
134 
135 /* DataFlash */
136 #ifndef CONFIG_AT91SAM9G20EK_2MMC
137 #define CONFIG_ATMEL_DATAFLASH_SPI
138 #define CONFIG_HAS_DATAFLASH		1
139 #define CONFIG_SYS_SPI_WRITE_TOUT		(5*CONFIG_SYS_HZ)
140 #define CONFIG_SYS_MAX_DATAFLASH_BANKS		2
141 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* CS0 */
142 #define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1	0xD0000000	/* CS1 */
143 #define AT91_SPI_CLK			15000000
144 #endif
145 
146 #ifdef CONFIG_AT91SAM9G20EK
147 #define DATAFLASH_TCSS			(0x22 << 16)
148 #else
149 #define DATAFLASH_TCSS			(0x1a << 16)
150 #endif
151 #define DATAFLASH_TCHS			(0x1 << 24)
152 
153 /* NAND flash */
154 #ifdef CONFIG_CMD_NAND
155 #define CONFIG_NAND_ATMEL
156 #define CONFIG_SYS_MAX_NAND_DEVICE	1
157 #define CONFIG_SYS_NAND_BASE		ATMEL_BASE_CS3
158 #define CONFIG_SYS_NAND_DBW_8
159 #define CONFIG_SYS_NAND_MASK_ALE	(1 << 21)
160 #define CONFIG_SYS_NAND_MASK_CLE	(1 << 22)
161 #define CONFIG_SYS_NAND_ENABLE_PIN	AT91_PIN_PC14
162 #define CONFIG_SYS_NAND_READY_PIN	AT91_PIN_PC13
163 #endif
164 
165 /* MMC */
166 #ifdef CONFIG_CMD_MMC
167 #define CONFIG_MMC
168 #define CONFIG_GENERIC_MMC
169 #define CONFIG_GENERIC_ATMEL_MCI
170 #endif
171 
172 /* FAT */
173 #ifdef CONFIG_CMD_FAT
174 #define CONFIG_DOS_PARTITION
175 #endif
176 
177 /* NOR flash - no real flash on this board */
178 #define CONFIG_SYS_NO_FLASH			1
179 
180 /* Ethernet */
181 #define CONFIG_MACB			1
182 #define CONFIG_RMII			1
183 #define CONFIG_NET_RETRY_COUNT		20
184 #define CONFIG_RESET_PHY_R		1
185 
186 /* USB */
187 #define CONFIG_USB_ATMEL
188 #define CONFIG_USB_OHCI_NEW		1
189 #define CONFIG_SYS_USB_OHCI_CPU_INIT		1
190 #define CONFIG_SYS_USB_OHCI_REGS_BASE		0x00500000	/* AT91SAM9260_UHP_BASE */
191 #define CONFIG_SYS_USB_OHCI_SLOT_NAME		"at91sam9260"
192 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	2
193 #define CONFIG_USB_STORAGE		1
194 
195 #define CONFIG_SYS_LOAD_ADDR			0x22000000	/* load address */
196 
197 #define CONFIG_SYS_MEMTEST_START		CONFIG_SYS_SDRAM_BASE
198 #define CONFIG_SYS_MEMTEST_END			0x23e00000
199 
200 #ifdef CONFIG_SYS_USE_DATAFLASH_CS0
201 
202 /* bootstrap + u-boot + env + linux in dataflash on CS0 */
203 #define CONFIG_ENV_IS_IN_DATAFLASH	1
204 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + 0x8400)
205 #define CONFIG_ENV_OFFSET		0x4200
206 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
207 #define CONFIG_ENV_SIZE		0x4200
208 #define CONFIG_BOOTCOMMAND	"cp.b 0xC0084000 0x22000000 0x210000; bootm"
209 #define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
210 				"root=/dev/mtdblock0 "			\
211 				"mtdparts=atmel_nand:-(root) "		\
212 				"rw rootfstype=jffs2"
213 
214 #elif CONFIG_SYS_USE_DATAFLASH_CS1
215 
216 /* bootstrap + u-boot + env + linux in dataflash on CS1 */
217 #define CONFIG_ENV_IS_IN_DATAFLASH	1
218 #define CONFIG_SYS_MONITOR_BASE	(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + 0x8400)
219 #define CONFIG_ENV_OFFSET		0x4200
220 #define CONFIG_ENV_ADDR		(CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS1 + CONFIG_ENV_OFFSET)
221 #define CONFIG_ENV_SIZE		0x4200
222 #define CONFIG_BOOTCOMMAND	"cp.b 0xD0084000 0x22000000 0x210000; bootm"
223 #define CONFIG_BOOTARGS		"console=ttyS0,115200 "			\
224 				"root=/dev/mtdblock0 "			\
225 				"mtdparts=atmel_nand:-(root) "		\
226 				"rw rootfstype=jffs2"
227 
228 #elif defined(CONFIG_SYS_USE_NANDFLASH)
229 
230 /* bootstrap + u-boot + env + linux in nandflash */
231 #define CONFIG_ENV_IS_IN_NAND	1
232 #define CONFIG_ENV_OFFSET		0xc0000
233 #define CONFIG_ENV_OFFSET_REDUND	0x100000
234 #define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
235 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0x200000 0x300000; bootm"
236 #define CONFIG_BOOTARGS							\
237 	"console=ttyS0,115200 earlyprintk "				\
238 	"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"		\
239 	"256k(env),256k(env_redundant),256k(spare),"			\
240 	"512k(dtb),6M(kernel)ro,-(rootfs) "				\
241 	"root=/dev/mtdblock7 rw rootfstype=jffs2"
242 
243 #else	/* CONFIG_SYS_USE_MMC */
244 /* bootstrap + u-boot + env + linux in mmc */
245 #define CONFIG_ENV_IS_IN_MMC
246 /* For FAT system, most cases it should be in the reserved sector */
247 #define CONFIG_ENV_OFFSET		0x2000
248 #define CONFIG_ENV_SIZE			0x1000
249 #define CONFIG_SYS_MMC_ENV_DEV		0
250 
251 #define CONFIG_BOOTCOMMAND						\
252 	"fatload mmc 0:1 0x22000000 uImage; bootm"
253 #define CONFIG_BOOTARGS							\
254 	"console=ttyS0,115200 earlyprintk "				\
255 	"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"		\
256 	"256k(env),256k(env_redundant),256k(spare),"			\
257 	"512k(dtb),6M(kernel)ro,-(rootfs) "				\
258 	"root=/dev/mmcblk0p2 rw rootfstype=ext4 rootwait"
259 #endif
260 
261 #define CONFIG_SYS_PROMPT		"U-Boot> "
262 #define CONFIG_SYS_CBSIZE		256
263 #define CONFIG_SYS_MAXARGS		16
264 #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
265 #define CONFIG_SYS_LONGHELP		1
266 #define CONFIG_CMDLINE_EDITING	1
267 #define CONFIG_AUTO_COMPLETE
268 
269 /*
270  * Size of malloc() pool
271  */
272 #define CONFIG_SYS_MALLOC_LEN		ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
273 
274 #endif
275